Mercurial > jdk8-mips64-public > hotspot / annotate
test/compiler/whitebox/IsMethodCompilableTest.java@12e01444ca2d (annotated)
test/compiler/whitebox/IsMethodCompilableTest.java
Wed, 13 Feb 2013 08:29:04 -0800
- author
- iignatyev
- date
- Wed, 13 Feb 2013 08:29:04 -0800
- changeset 4592
- 12e01444ca2d
- child 4637
- 1b0dc9f87e75
- permissions
- -rw-r--r--
8006683: Add WhiteBox API to testing of compiler
Reviewed-by: kvn, vlivanov
| iignatyev@4592 | 1 | /* |
| iignatyev@4592 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
| iignatyev@4592 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| iignatyev@4592 | 4 | * |
| iignatyev@4592 | 5 | * This code is free software; you can redistribute it and/or modify it |
| iignatyev@4592 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| iignatyev@4592 | 7 | * published by the Free Software Foundation. |
| iignatyev@4592 | 8 | * |
| iignatyev@4592 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| iignatyev@4592 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| iignatyev@4592 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| iignatyev@4592 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| iignatyev@4592 | 13 | * accompanied this code). |
| iignatyev@4592 | 14 | * |
| iignatyev@4592 | 15 | * You should have received a copy of the GNU General Public License version |
| iignatyev@4592 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| iignatyev@4592 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| iignatyev@4592 | 18 | * |
| iignatyev@4592 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| iignatyev@4592 | 20 | * or visit www.oracle.com if you need additional information or have any |
| iignatyev@4592 | 21 | * questions. |
| iignatyev@4592 | 22 | */ |
| iignatyev@4592 | 23 | |
| iignatyev@4592 | 24 | /* |
| iignatyev@4592 | 25 | * @test IsMethodCompilableTest |
| iignatyev@4592 | 26 | * @bug 8007270 |
| iignatyev@4592 | 27 | * @compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI CompilerWhiteBoxTest.java |
| iignatyev@4592 | 28 | * @compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI IsMethodCompilableTest.java |
| iignatyev@4592 | 29 | * @run main/othervm/timeout=600 -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI IsMethodCompilableTest |
| iignatyev@4592 | 30 | * @author igor.ignatyev@oracle.com |
| iignatyev@4592 | 31 | */ |
| iignatyev@4592 | 32 | public class IsMethodCompilableTest extends CompilerWhiteBoxTest { |
| iignatyev@4592 | 33 | protected static final long PER_METHOD_RECOMPILATION_CUTOFF; |
| iignatyev@4592 | 34 | |
| iignatyev@4592 | 35 | static { |
| iignatyev@4592 | 36 | long tmp = Long.parseLong( |
| iignatyev@4592 | 37 | getVMOption("PerMethodRecompilationCutoff", "400")); |
| iignatyev@4592 | 38 | if (tmp == -1) { |
| iignatyev@4592 | 39 | PER_METHOD_RECOMPILATION_CUTOFF = -1 /* Inf */; |
| iignatyev@4592 | 40 | } else { |
| iignatyev@4592 | 41 | PER_METHOD_RECOMPILATION_CUTOFF = 1 + (0xFFFFFFFFL & tmp); |
| iignatyev@4592 | 42 | } |
| iignatyev@4592 | 43 | } |
| iignatyev@4592 | 44 | |
| iignatyev@4592 | 45 | public static void main(String[] args) throws Exception { |
| iignatyev@4592 | 46 | new IsMethodCompilableTest().runTest(); |
| iignatyev@4592 | 47 | } |
| iignatyev@4592 | 48 | |
| iignatyev@4592 | 49 | protected void test() throws Exception { |
| iignatyev@4592 | 50 | if (!WHITE_BOX.isMethodCompilable(METHOD)) { |
| iignatyev@4592 | 51 | throw new RuntimeException(METHOD + " must be compilable"); |
| iignatyev@4592 | 52 | } |
| iignatyev@4592 | 53 | System.out.println("PerMethodRecompilationCutoff = " |
| iignatyev@4592 | 54 | + PER_METHOD_RECOMPILATION_CUTOFF); |
| iignatyev@4592 | 55 | if (PER_METHOD_RECOMPILATION_CUTOFF == -1) { |
| iignatyev@4592 | 56 | System.err.println( |
| iignatyev@4592 | 57 | "Warning: test is not applicable if PerMethodRecompilationCutoff == Inf"); |
| iignatyev@4592 | 58 | return; |
| iignatyev@4592 | 59 | } |
| iignatyev@4592 | 60 | // to prevent inlining #method into #compile() |
| iignatyev@4592 | 61 | WHITE_BOX.setDontInlineMethod(METHOD, true); |
| iignatyev@4592 | 62 | boolean madeNotCompilable = false; |
| iignatyev@4592 | 63 | |
| iignatyev@4592 | 64 | for (long i = 0; i < PER_METHOD_RECOMPILATION_CUTOFF; ++i) { |
| iignatyev@4592 | 65 | compile(); |
| iignatyev@4592 | 66 | waitBackgroundCompilation(METHOD); |
| iignatyev@4592 | 67 | WHITE_BOX.deoptimizeMethod(METHOD); |
| iignatyev@4592 | 68 | if (!WHITE_BOX.isMethodCompilable(METHOD)) { |
| iignatyev@4592 | 69 | madeNotCompilable = true; |
| iignatyev@4592 | 70 | break; |
| iignatyev@4592 | 71 | } |
| iignatyev@4592 | 72 | } |
| iignatyev@4592 | 73 | if (!madeNotCompilable) { |
| iignatyev@4592 | 74 | throw new RuntimeException(METHOD + " is still compilable after " |
| iignatyev@4592 | 75 | + PER_METHOD_RECOMPILATION_CUTOFF + " iterations"); |
| iignatyev@4592 | 76 | } |
| iignatyev@4592 | 77 | compile(); |
| iignatyev@4592 | 78 | if (WHITE_BOX.isMethodCompiled(METHOD)) { |
| iignatyev@4592 | 79 | printInfo(METHOD); |
| iignatyev@4592 | 80 | throw new RuntimeException( |
| iignatyev@4592 | 81 | METHOD + " is not compilable but compiled"); |
| iignatyev@4592 | 82 | } |
| iignatyev@4592 | 83 | } |
| iignatyev@4592 | 84 | } |
